import _00GraphFuc as gf

#生成圈图
m=20
[V,E]=gf.cyclicgraphset(m)
gf.drawgraph(E)
print("V,E",V,E)
V=V-{10}
E=E-{(9,10),(10,11)}|{(9,1),(1,11)}
gf.drawgraph(E)
print("V,E",V,E)